ABOUT THIS GUIDEThis guide describes how to install the SuperStack ® II Dual SpeedHub Management Module, and how to use the managementsystems it provides to manage the Dual Speed Hub 500.This guide is intended for users who have networking experience.If you have not managed a networking product before, werecommend that you read through this guide before using the hub,so that you can gain knowledge of the features and how you can usethem.If release notes are shipped with your product and the informationthere differs from the information in this guide, follow theinstructions in the release notes.Most user guides and release notes are available in Adobe AcrobatReader Portable Document Format (PDF) or HTML on the 3ComWorld Wide Web site:http://www.3com.com/ConventionsTable 1 and Table 2 list conventions that are used throughout thisguide.Table 1 Notice IconsIcon Notice Type DescriptionInformation noteInformation that describes important features orinstructionsCautionInformation that alerts you to potential loss ofdata or potential damage to an application,system, or deviceWarningInformation that alerts you to potential personalinjury